
How to Install Redis and PHP-Redis on WHM/cPanel?
Login to the server via SSH and do the following steps.
1) Download the following rpm to the server using the below commands.
# wget http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
# wget http://rpms.famillecollet.com/enterprise/remi-release-6.rpm
Run the following commands to install Redis on the server.
# rpm -Uvh remi-release-6*.rpm epel-release-6*.rpm
# yum install โy redis
Now the redis is installed on the server and we need to enable the Radis to start it automatically upon server reboot.
# chkconfig redis on
2) After installation, we need to configure Redis. Follow the below steps to configure it.
Open the Redis configuration file and add the below lines at the end of the file:
vi /etc/redis.conf
maxmemory 256mb
maxmemory-policy allkeys-lru
3) We need to install php redis extension, for that, we need to login to WHM and Search for โModule Installersโ under โSoftwareโ section. Navigate to โModule Installersโ page and then click on the Manage link for the โPHP Peclโ.

On the PHP Pecl Installer page search type โredisโ and hit the โGoโ button.

Then click on the โInstallโ link from the results of the Redis extension to complete the installation.

4) Finally, we need to restart the Redis and httpd services to enable the changes.
# service httpd restart
# service redis restart
Visit redis offical website for more informations
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